* {
	margin: 0;
	padding: 0;
	list-style: none;
}

html {
	height: 100%;
	overflow: hidden;
}

body {
	height: 100%;
	overflow: hidden;
}

div {
	background:#f60;
	line-height: 1.6;
}

.top {
	position: absolute;
	left: 10px;
	top: 10px;
	right: 100px;
	height: 50px;
}

.side {
	position: absolute;
	left: 10px;
	top: 70px;
	bottom: 70px;
	width: 400px;
	overflow: auto;
}

.main {
	position: absolute;
	left: 220px;
	top: 70px;
	bottom: 70px;
	right: 10px;
	overflow: auto;
}

.bottom {
	position: absolute;
	left: 10px;
	bottom: 10px;
	right: 10px;
	height: 50px;
}

.main iframe {
	width: 100%;
	height: 100%;
}